RatCity — Chicago Rat and Rodent Sightings Map

RatCity

4299 locations in the last 30 days (4489 reports) · Last sighting 15 hours ago

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What am I looking at?

Each circle is a Chicago neighborhood. The number is its report count — click one to zoom in and see individual sightings there.

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Colors are relative to what’s currently on screen, so they adjust as you switch time ranges.

Zoomed into a neighborhood or zip? Same colors group nearby reports, and a bright dot means that exact spot’s been reported more than once.

Why Chicago keeps score on its rats

Chicago has topped national rankings of the rattiest U.S. cities for over a decade running — a reputation the city itself takes seriously enough to run one of the country’s most active 311 rodent-complaint programs. Every baiting request, burrow report, and complaint filed with the city becomes a public record. RatCity turns that record, plus reports from people who live here, into a map you can actually use: is this block bad? Is it getting worse? Which neighborhood is winning (or losing) the fight this month?

What’s actually on the map

Most of the data is Chicago’s own — every “Rodent Baiting/Rat Complaint” filed through 311, pulled in automatically once a day so the map never goes stale. Layered on top are sightings reported directly by visitors, matched to the same neighborhood and zip-code boundaries the city uses, so a resident’s report and an official 311 complaint carry equal weight on the map.

Reading the map

Circles are sized and colored by how many reports a neighborhood has racked up — blue is quiet, red means trouble. The Day / Week / 30 Days / Year toggle up top changes the window, so you can see whether a neighborhood’s rat problem is a one-week blip or a year-long trend. Whoever’s in the lead gets crowned the neighborhood Rat King in the sidebar, a title that changes hands as new reports come in.

Noticed a rat that isn’t on the map yet? Use “Report a sighting” above — it takes under a minute and goes live as soon as it’s reviewed. Curious about where the data actually comes from or how reports are moderated? See the About page for the full breakdown.

Want more? The blog has weekly trend recaps and guides on Chicago’s rat problem and how to keep it out of your home.

Browse every sighting

58,615 reports match your filters.

DateAddressNeighborhoodWardStatusResponse timeReported viaSource
12/4/2025517 S WESTERN AVENear West Side28Completed1 dayPhone CallCity 311
12/4/20256306 W 63RD PLClearing13Completed1 dayMobile DeviceCity 311
12/4/20253623 W 86TH STAshburn18Completed1 dayInternetCity 311
12/4/20251213 W 110TH STMorgan Park21Completed1 dayPhone CallCity 311
12/4/20252101 W IRVING PARK RDNorth Center47Completed1 dayMobile DeviceCity 311
12/4/20252155 N LATROBE AVEBelmont Cragin26Completed1 dayMobile DeviceCity 311
12/4/2025729 S MAY STNear West Side34Completed4 daysPhone CallCity 311
12/4/20254120 W 55TH STWest Elsdon23Completed1 dayMobile DeviceCity 311
12/4/20258163 S HOMAN AVEAshburn18Completed4 daysInternetCity 311
12/4/202510943 S DRAKE AVEMount Greenwood19Completed1 dayMobile DeviceCity 311
12/5/20253840 S WOOD STMcKinley Park12Completed0 daysMobile DeviceCity 311
12/5/20253309 N NEW ENGLAND AVEDunning38Completed3 daysInternetCity 311
12/5/20253059 N GRESHAM AVEAvondale35Completed3 daysMobile DeviceCity 311
12/5/20255126 W GRACE STPortage Park30Completed4 daysMobile DeviceCity 311
12/5/20252143 N CLIFTON AVELincoln Park43Completed4 daysMobile DeviceCity 311
12/5/20252137 N CLIFTON AVELincoln Park43Completed4 daysMobile DeviceCity 311
12/5/20255824 N VIRGINIA AVEWest Ridge50Completed3 daysPhone CallCity 311
12/5/20252135 N CLIFTON AVELincoln Park43Completed4 daysMobile DeviceCity 311
12/5/20255022 W CATALPA AVEForest Glen39Completed4 daysMobile DeviceCity 311
12/5/20253246 W NORTH AVEHumboldt Park26Completed3 daysPhone CallCity 311
12/5/20255213 S KOLMAR AVEArcher Heights23Completed3 daysPhone CallCity 311
12/5/20255140 S LEAMINGTON AVEGarfield Ridge23Completed3 daysPhone CallCity 311
12/5/20255406 W WARWICK AVEPortage Park30Completed4 daysInternetCity 311
12/5/20252157 N KEYSTONE AVEHermosa35Completed3 daysAlderman's OfficeCity 311
12/5/20255449 W GRACE STPortage Park30Completed4 daysInternetCity 311
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